/*
 * Copyright 2002-2007 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.baidu.jprotobuf.pbrpc.client.ha.lb.failover;

import org.aopalliance.intercept.MethodInvocation;

/**
 * Load balance fail over event interface.
 * 
 * @author xiemalin
 * @since 2.16
 */
public interface FailOverEvent {
    
    /**
     * if detect target is recovered.
     *
     * @param targetName the target name
     */
    void onTargetRecover(String targetName);

    /**
     * if detect target is fail on specified invoke action.
     *
     * @param targetName the target name
     * @param bean the bean
     * @param invocation the invocation
     */
    void onTargetFailed(String targetName, Object bean,
            MethodInvocation invocation);
}
